Quiz about Matemaatika V kursuse teooria kordamistest

Question 1

Millise koordinaadiga on seotud siinusfunktsioon?

Accepted Answer

y

Answer

x

Answer

z

Answer

w

Question 2

Millise koordinaadiga on seotud koosinusfuntsioon?

Accepted Answer

x

Answer

y

Answer

z

Answer

w

Question 3

$$\sin2\alpha$$ ehk ...

Accepted Answer

$$2\sin\alpha\cos\alpha$$

Answer

$$\cos^2\alpha-\sin^2\alpha$$

Answer

$$\frac{2 an\alpha}{1- an^2\alpha}$$

Answer

$$\sin\alpha\cos\beta\pm\cos\alpha\sin\beta$$

Question 4

$$\cos2\alpha$$ ehk ...

Accepted Answer

$$\cos^2\alpha-\sin^2\alpha$$

Answer

$$2\sin\alpha\cos\alpha$$

Answer

$$\frac{2 an\alpha}{1- an^2\alpha}$$

Answer

$$\sin\alpha\cos\beta\pm\cos\alpha\sin\beta$$

Question 5

$$ an2\alpha$$ ehk ...

Accepted Answer

$$\frac{2 an\alpha}{1- an^2\alpha}$$

Answer

$$2\sin\alpha\cos\alpha$$

Answer

$$\cos^2\alpha-\sin^2\alpha$$

Answer

$$\sin\alpha\cos\beta\pm\cos\alpha\sin\beta$$

Question 6

$$\sin\left(\alpha\pm\beta\right)$$ = ...

Accepted Answer

$$\sin\alpha\cos\beta\pm\cos\alpha\sin\beta$$

Answer

$$\sin\alpha\cos\beta\pm\cos\alpha\sin\beta$$

Answer

$$\cos\alpha\cos\beta\pm\sin\alpha\sin\beta$$

Answer

$$\sin\alpha+\sin\beta$$

Question 7

$$\cos\left(\alpha\pm\beta\right)$$ = ...

Accepted Answer

$$\cos\alpha\cos\beta\mp\sin\alpha\sin\beta$$

Answer

$$\cos\alpha\cos\alpha\mp\sin\beta\sin\beta$$

Answer

$$\cos\alpha+\cos\beta$$

Answer

$$\sin\alpha\cos\alpha\mp\cos\beta\sin\beta$$

Question 8

$$ an\left(\alpha\pm\beta ight)$$ = ...

Accepted Answer

$$\frac{ an\alpha+ an\beta}{1\mp an\alpha an\beta}$$

Answer

$$\frac{ an\alpha+ an\beta}{1\pm an\alpha an\beta}$$

Answer

$$\frac{ an\alpha+ an\alpha}{1\mp an\alpha an\beta}$$

Answer

$$\frac{2 an\alpha}{1- an^2\alpha}$$

Question 9

$$\frac{a}{\sin\alpha}=\frac{b}{\sin\beta}=\frac{c}{\sin\gamma}=2R$$ ehk ...?

Accepted Answer

siinusteoreem

Answer

siinusfunktsioon

Answer

koosinusteoreem

Answer

koosinusfuntsioon

Question 10

$$c^2=a^2+b^2-2ab\cos\gamma$$ ehk ...?

Accepted Answer

koosinusteoreem

Answer

siinusteoreem

Answer

koosinusteooria

Answer

siinusfunktsioon

Question 11

Suvalise kolmnurga pindala saab leida selle valemi abil:

Accepted Answer

$$S=\frac{a\cdot b\cdot\sin\gamma}{2}$$

Answer

$$S=\frac{ah}{2}$$

Answer

$$S=\frac{abh}{2}$$

Answer

$$S=\frac{nar}{2}$$

Question 12

Iga nurga saab esitada sellel kujul:

Accepted Answer

$$x=\alpha+n\cdot360\degree$$

Answer

$$\alpha$$

Answer

$$\alpha imes1\degree$$

Answer

$$x\degree$$

Question 13

$$l=\alpha\cdot r$$ on ... valem

Accepted Answer

kaare pikkuse

Answer

sektori pindala

Answer

sektori pikkuse

Answer

kaare pindala

Question 14

$$\frac{\alpha\cdot r^2}{2}$$ on ... valem

Accepted Answer

sektori pindala

Answer

kolmnurga pindala

Answer

nurga pindala

Answer

radiaanide kraadideks teisendamise

Question 15

Kesknurk, mis toetub raadiusepikkusele kaarele on ... definitsioon

Accepted Answer

radiaani

Answer

kraadi

Answer

gradiaani

Answer

siinuse

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